Near-perfect absorption of a honeycomb metasurface through QBICs

All-dielectric high-Q metasurface absorbers based on quasi-bound states in the continuum (QBICs) are essential for optical and photonic devices. However, achieving perfect absorption requires adding back reflectors at the bottom or placing at least four asymmetric elements in each unit of monolayer...

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Veröffentlicht in:	Optics letters 2024-04, Vol.49 (7), p.1692-1695
Hauptverfasser:	Zhang, Haosen, Wu, Kedi, Wang, Guo Ping
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbers Absorption Electric dipoles Hexagonal lattice Honeycomb structures Lattice vibration Metasurfaces Monolayers Optoelectronic devices Reflectors Unit cell
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